316L Mi-FLEX 200mm x 30m COIL
At a Glance
- Premium 316L stainless steel construction
- Double-skinned design for enhanced durability
- Omega-Lock seam for an airtight, robust seal
- Multi-fuel compatibility: suitable for wood, oil, gas, low sulphur coal, and more
- HETAS approved and CE certified for assured safety
- Lifetime warranty when used with Screw-FIX accessories

We Won't Be Beaten On Price
At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:
- Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
- Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
- Operational Efficiency: We have streamlined processes to reduce overhead.
Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.
Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).
“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.
Have Questions?
Phone: 01670 206999
Email: [email protected]
- Info
- Specs
- Install
- FAQs
The 316L Mi-FLEX 200mm x 30m COIL is a top-of-the-line, double-skinned flexible flue liner designed for relining masonry chimneys. Crafted from 316L grade stainless steel, it features a smooth inner liner and a convoluted outer skin, both 0.105mm thick. This flue liner is built using an innovative Omega-Lock seam, providing an airtight, robust seal.
Approved by HETAS and CE certified, the 316L Mi-FLEX flue liner is suitable for use with gas, oil, coal, coke, cured dry logs, and cured dry peat. Its outstanding construction ensures longevity and reliability, making it an ideal solution for a variety of fuel-burning appliances.
SKU: 35Z-200-30
Technical Specifications | |
---|---|
SKU | 35Z-200-30 |
Diameter | 200mm (8 inch) |
Length | 30m (Coil on Drum) |
Inner Material | 316L stainless steel, 0.105mm thick |
Outer Material | 316L stainless steel, 0.105mm thick |
Seam | Omega-Lock |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal, Coke, Cured dry logs, Cured dry peat |
Approvals | HETAS, CE |
Manufacturer | Mi-Flues Ltd |
Manufacture Method | Single Strip |
Warranty | Lifetime (with Screw-FIX accessories) |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 2nd. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.
Warranty & Returns +
All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Price Match Guarantee +
We will match any price like for like. If you find it cheaper within 48 hours, we'll refund the difference.
National Flues Ltd Verdict
The 316L Mi-FLEX 200mm x 30m COIL is an exceptional choice for anyone needing a durable, multi-fuel flexible flue liner. National Flues is proud to offer this premium product with reliable nationwide delivery and competitive pricing. Perfect for both retail and trade customers.
The 316L Mi-FLEX 200mm x 30m COIL is used for relining masonry chimneys, providing a durable and flexible solution for various fuel-burning appliances.
National Flues is a leading supplier of fireplaces and flues, offering high-quality products at competitive prices. We cater to both retail and trade customers across the UK with reliable nationwide delivery and excellent customer service.
